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DNA Structure and Replication

DNA Structure and Replication
DNA with a G-C content of 50% will melt at approximately

60°C
70 °C
100 °C
90 °C

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DNA Structure and Replication
E.coli DNA polymerases II and III lack

5' → 3' exonuclease activity
5' → 3' endonuclease activity
partially 5' → 3' exonuclease activity
partially 5' → 3' endonuclease activity

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DNA Structure and Replication
Messelsen and Stahl model of replication was called

Cri du Chat
semi-conservative replication
dispersive replication
conservative replication

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DNA Structure and Replication
What is the only common methylation in the DNA of eukaryotes?

Guanosine in ApGpA trinucleotides
Adenosine in GpA dinucleotides
None of these
Cytosine in CpG dinucleotides

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DNA Structure and Replication
In an agarose gel, DNA is moving from

cathode to anode
A to B
anode to cathode
left to right

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DNA Structure and Replication
Each replication bubbles consists of

3 replication forks
1 replication forks
2 replication forks
4 replication forks

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MORE MCQ ON DNA Structure and Replication

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